<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../js/vue.js"></script>
</head>
<body>
  <div id="app">
      <p>{{msg}}</p>
  </div>
<br> 
<script>
  var vm = new Vue({
    el:"#app",
    data:{
         msg:'hello China!'
     }
   })
 </script>
</body>
</html>